static void draw_vertical_line(DisplaySurface *ds,
int posx, int posy1, int posy2,
uint32_t color)
{
uint8_t *d;
int y, bpp;
bpp = (surface_bits_per_pixel(ds) + 7) >> 3;
d = surface_data(ds) + surface_stride(ds) * posy1 + bpp * posx;
switch(bpp) {
case 1:
for (y = posy1; y <= posy2; y++) {
*((uint8_t *)d) = color;
d += surface_stride(ds);
}
break;
case 2:
for (y = posy1; y <= posy2; y++) {
*((uint16_t *)d) = color;
d += surface_stride(ds);
}
break;
case 4:
for (y = posy1; y <= posy2; y++) {
*((uint32_t *)d) = color;
d += surface_stride(ds);
}
break;
}
}
static void egl_scanout_flush(DisplayChangeListener *dcl,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
if (!edpy->guest_fb.texture || !edpy->ds) {
return;
}
assert(surface_width(edpy->ds) == edpy->guest_fb.width);
assert(surface_height(edpy->ds) == edpy->guest_fb.height);
assert(surface_format(edpy->ds) == PIXMAN_x8r8g8b8);
if (edpy->cursor_fb.texture) {
/* have cursor -> render using textures */
egl_texture_blit(edpy->gls, &edpy->blit_fb, &edpy->guest_fb,
!edpy->y_0_top);
egl_texture_blend(edpy->gls, &edpy->blit_fb, &edpy->cursor_fb,
!edpy->y_0_top, edpy->pos_x, edpy->pos_y);
} else {
/* no cursor -> use simple framebuffer blit */
egl_fb_blit(&edpy->blit_fb, &edpy->guest_fb, edpy->y_0_top);
}
egl_fb_read(surface_data(edpy->ds), &edpy->blit_fb);
dpy_gfx_update(edpy->dcl.con, x, y, w, h);
}
static void vigs_hw_update(void *opaque)
{
VIGSState *s = opaque;
DisplaySurface *ds = qemu_console_surface(s->con);
if (!surface_data(ds)) {
return;
}
if (vigs_server_update_display(s->server, s->invalidate_cnt)) {
/*
* 'vigs_server_update_display' could have updated the surface,
* so fetch it again.
*/
ds = qemu_console_surface(s->con);
dpy_gfx_update(s->con, 0, 0, surface_width(ds), surface_height(ds));
}
if (s->invalidate_cnt > 0) {
s->invalidate_cnt--;
}
if (s->reg_con & VIGS_REG_CON_VBLANK_ENABLE) {
s->reg_int |= VIGS_REG_INT_VBLANK_PENDING;
vigs_update_irq(s);
}
}
static uint8_t *vigs_dpy_get_data(void *user_data)
{
VIGSState *s = user_data;
DisplaySurface *ds = qemu_console_surface(s->con);
return surface_data(ds);
}
void surface_gl_create_texture(ConsoleGLState *gls,
DisplaySurface *surface)
{
assert(gls);
assert(surface_stride(surface) % surface_bytes_per_pixel(surface) == 0);
switch (surface->format) {
case PIXMAN_BE_b8g8r8x8:
case PIXMAN_BE_b8g8r8a8:
surface->glformat = GL_BGRA_EXT;
surface->gltype = GL_UNSIGNED_BYTE;
break;
case PIXMAN_r5g6b5:
surface->glformat = GL_RGB;
surface->gltype = GL_UNSIGNED_SHORT_5_6_5;
break;
default:
g_assert_not_reached();
}
glGenTextures(1, &surface->texture);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, surface->texture);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
surface_stride(surface) / surface_bytes_per_pixel(surface));
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
surface_width(surface),
surface_height(surface),
0, surface->glformat, surface->gltype,
surface_data(surface));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
{
DisplaySurface *surface = qemu_console_surface(qxl->vga.con);
uint8_t *dst = surface_data(surface);
uint8_t *src;
int len, i;
if (is_buffer_shared(surface)) {
return;
}
trace_qxl_render_blit(qxl->guest_primary.qxl_stride,
rect->left, rect->right, rect->top, rect->bottom);
src = qxl->guest_primary.data;
if (qxl->guest_primary.qxl_stride < 0) {
/* qxl surface is upside down, walk src scanlines
* in reverse order to flip it */
src += (qxl->guest_primary.surface.height - rect->top - 1) *
qxl->guest_primary.abs_stride;
} else {
src += rect->top * qxl->guest_primary.abs_stride;
}
dst += rect->top * qxl->guest_primary.abs_stride;
src += rect->left * qxl->guest_primary.bytes_pp;
dst += rect->left * qxl->guest_primary.bytes_pp;
len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp;
for (i = rect->top; i < rect->bottom; i++) {
memcpy(dst, src, len);
dst += qxl->guest_primary.abs_stride;
src += qxl->guest_primary.qxl_stride;
}
}
static void sdl_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface)
{
PixelFormat pf;
/* temporary hack: allows to call sdl_switch to handle scaling changes */
if (new_surface) {
surface = new_surface;
}
pf = qemu_pixelformat_from_pixman(surface->format);
if (!scaling_active) {
do_sdl_resize(surface_width(surface), surface_height(surface), 0);
} else if (real_screen->format->BitsPerPixel !=
surface_bits_per_pixel(surface)) {
do_sdl_resize(real_screen->w, real_screen->h,
surface_bits_per_pixel(surface));
}
if (guest_screen != NULL) {
SDL_FreeSurface(guest_screen);
}
#ifdef DEBUG_SDL
printf("SDL: Creating surface with masks: %08x %08x %08x %08x\n",
pf.rmask, pf.gmask, pf.bmask, pf.amask);
#endif
guest_screen = SDL_CreateRGBSurfaceFrom
(surface_data(surface),
surface_width(surface), surface_height(surface),
surface_bits_per_pixel(surface), surface_stride(surface),
pf.rmask, pf.gmask,
pf.bmask, pf.amask);
}
static void sdl_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface)
{
/* temporary hack: allows to call sdl_switch to handle scaling changes */
if (new_surface) {
surface = new_surface;
}
if (!scaling_active) {
do_sdl_resize(surface_width(surface), surface_height(surface), 0);
} else if (real_screen->format->BitsPerPixel !=
surface_bits_per_pixel(surface)) {
do_sdl_resize(real_screen->w, real_screen->h,
surface_bits_per_pixel(surface));
}
if (guest_screen != NULL) {
SDL_FreeSurface(guest_screen);
}
guest_screen = SDL_CreateRGBSurfaceFrom
(surface_data(surface),
surface_width(surface), surface_height(surface),
surface_bits_per_pixel(surface), surface_stride(surface),
surface->pf.rmask, surface->pf.gmask,
surface->pf.bmask, surface->pf.amask);
}
static void draw_horizontal_line(DisplaySurface *ds,
int posy, int posx1, int posx2,
uint32_t color)
{
uint8_t *d;
int x, bpp;
bpp = (surface_bits_per_pixel(ds) + 7) >> 3;
d = surface_data(ds) + surface_stride(ds) * posy + bpp * posx1;
switch(bpp) {
case 1:
for (x = posx1; x <= posx2; x++) {
*((uint8_t *)d) = color;
d++;
}
break;
case 2:
for (x = posx1; x <= posx2; x++) {
*((uint16_t *)d) = color;
d += 2;
}
break;
case 4:
for (x = posx1; x <= posx2; x++) {
*((uint32_t *)d) = color;
d += 4;
}
break;
}
}
static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
{
static const int blksize = 32;
int blocks = (surface_width(ssd->ds) + blksize - 1) / blksize;
int dirty_top[blocks];
int y, yoff, x, xoff, blk, bw;
int bpp = surface_bytes_per_pixel(ssd->ds);
uint8_t *guest, *mirror;
if (qemu_spice_rect_is_empty(&ssd->dirty)) {
return;
};
if (ssd->surface == NULL) {
ssd->surface = pixman_image_ref(ssd->ds->image);
ssd->mirror = qemu_pixman_mirror_create(ssd->ds->format,
ssd->ds->image);
}
for (blk = 0; blk < blocks; blk++) {
dirty_top[blk] = -1;
}
guest = surface_data(ssd->ds);
mirror = (void *)pixman_image_get_data(ssd->mirror);
for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
yoff = y * surface_stride(ssd->ds);
for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
xoff = x * bpp;
blk = x / blksize;
bw = MIN(blksize, ssd->dirty.right - x);
if (memcmp(guest + yoff + xoff,
mirror + yoff + xoff,
bw * bpp) == 0) {
if (dirty_top[blk] != -1) {
QXLRect update = {
.top = dirty_top[blk],
.bottom = y,
.left = x,
.right = x + bw,
};
qemu_spice_create_one_update(ssd, &update);
dirty_top[blk] = -1;
}
} else {
if (dirty_top[blk] == -1) {
dirty_top[blk] = y;
}
}
}
}
void surface_gl_update_texture(ConsoleGLState *gls,
DisplaySurface *surface,
int x, int y, int w, int h)
{
uint8_t *data = (void *)surface_data(surface);
assert(gls);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
surface_stride(surface) / surface_bytes_per_pixel(surface));
glTexSubImage2D(GL_TEXTURE_2D, 0,
x, y, w, h,
surface->glformat, surface->gltype,
data + surface_stride(surface) * y
+ surface_bytes_per_pixel(surface) * x);
}
static void jazz_led_update_display(void *opaque)
{
LedState *s = opaque;
DisplaySurface *surface = qemu_console_surface(s->con);
uint8_t *d1;
uint32_t color_segment, color_led;
int y, bpp;
if (s->state & REDRAW_BACKGROUND) {
/* clear screen */
bpp = (surface_bits_per_pixel(surface) + 7) >> 3;
d1 = surface_data(surface);
for (y = 0; y < surface_height(surface); y++) {
memset(d1, 0x00, surface_width(surface) * bpp);
d1 += surface_stride(surface);
}
}
void sdl2_2d_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
DisplaySurface *surf = qemu_console_surface(dcl->con);
SDL_Rect rect;
assert(!scon->opengl);
if (!surf) {
return;
}
if (!scon->texture) {
return;
}
/*
* SDL2 seems to do some double-buffering, and trying to only
* update the changed areas results in only one of the two buffers
* being updated. Which flickers alot. So lets not try to be
* clever do a full update every time ...
*/
#if 0
rect.x = x;
rect.y = y;
rect.w = w;
rect.h = h;
#else
rect.x = 0;
rect.y = 0;
rect.w = surface_width(surf);
rect.h = surface_height(surf);
#endif
SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
surface_stride(surf));
#if defined( __ANDROID__) && defined (__LIMBO_SDL_FORCE_HARDWARE_RENDERING__)
//Android OPENGL ES needs full screen redraw
SDL_SetRenderDrawColor( scon->real_renderer, 0, 0, 0, 255 );
SDL_RenderClear( scon->real_renderer );
SDL_RenderCopy(scon->real_renderer, scon->texture, NULL, NULL);
#else
SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
#endif //__ANDROID__
SDL_RenderPresent(scon->real_renderer);
}
static void tc6393xb_draw_blank(TC6393xbState *s, int full_update)
{
DisplaySurface *surface = qemu_console_surface(s->con);
int i, w;
uint8_t *d;
if (!full_update)
return;
w = s->scr_width * surface_bytes_per_pixel(surface);
d = surface_data(surface);
for(i = 0; i < s->scr_height; i++) {
memset(d, 0, w);
d += surface_stride(surface);
}
dpy_gfx_update(s->con, 0, 0, s->scr_width, s->scr_height);
}
void sdl2_2d_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
DisplaySurface *surf = qemu_console_surface(dcl->con);
SDL_Rect rect;
assert(!scon->opengl);
if (!surf) {
return;
}
if (!scon->texture) {
return;
}
/*
* SDL2 seems to do some double-buffering, and trying to only
* update the changed areas results in only one of the two buffers
* being updated. Which flickers alot. So lets not try to be
* clever do a full update every time ...
*/
#if 0
rect.x = x;
rect.y = y;
rect.w = w;
rect.h = h;
#else
rect.x = 0;
rect.y = 0;
rect.w = surface_width(surf);
rect.h = surface_height(surf);
#endif
SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
surface_stride(surf));
SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
SDL_RenderPresent(scon->real_renderer);
}
/*
* This copies data from the guest framebuffer region, into QEMU's
* displaysurface. qemu uses 16 or 32 bpp. In case the pv framebuffer
* uses something else we must convert and copy, otherwise we can
* supply the buffer directly and no thing here.
*/
static void xenfb_guest_copy(struct XenFB *xenfb, int x, int y, int w, int h)
{
DisplaySurface *surface = qemu_console_surface(xenfb->c.con);
int line, oops = 0;
int bpp = surface_bits_per_pixel(surface);
int linesize = surface_stride(surface);
uint8_t *data = surface_data(surface);
if (!is_buffer_shared(surface)) {
switch (xenfb->depth) {
case 8:
if (bpp == 16) {
BLT(uint8_t, uint16_t, 3, 3, 2, 5, 6, 5);
} else if (bpp == 32) {
BLT(uint8_t, uint32_t, 3, 3, 2, 8, 8, 8);
} else {
oops = 1;
}
break;
case 24:
if (bpp == 16) {
BLT(uint32_t, uint16_t, 8, 8, 8, 5, 6, 5);
} else if (bpp == 32) {
BLT(uint32_t, uint32_t, 8, 8, 8, 8, 8, 8);
} else {
oops = 1;
}
break;
default:
oops = 1;
}
}
if (oops) /* should not happen */
xen_be_printf(&xenfb->c.xendev, 0, "%s: oops: convert %d -> %d bpp?\n",
__FUNCTION__, xenfb->depth, bpp);
dpy_gfx_update(xenfb->c.con, x, y, w, h);
}
static void sdl_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl);
SDL_Rect rect;
DisplaySurface *surf = qemu_console_surface(dcl->con);
if (!surf) {
return;
}
if (!scon->texture) {
return;
}
rect.x = x;
rect.y = y;
rect.w = w;
rect.h = h;
SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
surface_stride(surf));
SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
SDL_RenderPresent(scon->real_renderer);
}
static void setsurf( void )
{
DNA_SURFACE *sdata;
LWSurfaceID sid;
double color[ 3 ];
const char *objname;
int i;
objname = mgGetCurrentObject();
if ( !objname ) return;
for ( i = 0; i < 11; i++ ) {
sdata = surface_data( i );
sid = mgCreateSurface( objname, sdata->name );
csSetSurfEdSurface( sdata->name, objname );
color[ 0 ] = ( double ) sdata->colr[ 0 ];
color[ 1 ] = ( double ) sdata->colr[ 1 ];
color[ 2 ] = ( double ) sdata->colr[ 2 ];
csSetSurfaceColor( SURF_COLR, color );
csSetSurfaceFlt( SURF_DIFF, sdata->diff );
csSetSurfaceFlt( SURF_SPEC, sdata->spec );
csSetSurfaceFlt( SURF_GLOS, sdata->glos );
if ( sdata->sman > 0.0 )
csSetSurfaceFlt( SURF_SMAN, sdata->sman );
if ( sdata->tran > 0.0 ) {
csSetSurfaceFlt( SURF_TRAN, sdata->tran );
csSetSurfaceFlt( SURF_RIND, sdata->rind );
}
csSetSurfaceInt( SURF_SIDE, sdata->side );
}
}
static void cg3_update_display(void *opaque)
{
CG3State *s = opaque;
DisplaySurface *surface = qemu_console_surface(s->con);
const uint8_t *pix;
uint32_t *data;
uint32_t dval;
int x, y, y_start;
unsigned int width, height;
ram_addr_t page, page_min, page_max;
if (surface_bits_per_pixel(surface) != 32) {
return;
}
width = s->width;
height = s->height;
y_start = -1;
page_min = -1;
page_max = 0;
page = 0;
pix = memory_region_get_ram_ptr(&s->vram_mem);
data = (uint32_t *)surface_data(surface);
for (y = 0; y < height; y++) {
int update = s->full_update;
page = (y * width) & TARGET_PAGE_MASK;
update |= memory_region_get_dirty(&s->vram_mem, page, page + width,
DIRTY_MEMORY_VGA);
if (update) {
if (y_start < 0) {
y_start = y;
}
if (page < page_min) {
page_min = page;
}
if (page > page_max) {
page_max = page;
}
for (x = 0; x < width; x++) {
dval = *pix++;
dval = (s->r[dval] << 16) | (s->g[dval] << 8) | s->b[dval];
*data++ = dval;
}
} else {
if (y_start >= 0) {
dpy_gfx_update(s->con, 0, y_start, s->width, y - y_start);
y_start = -1;
}
pix += width;
data += width;
}
}
s->full_update = 0;
if (y_start >= 0) {
dpy_gfx_update(s->con, 0, y_start, s->width, y - y_start);
}
if (page_max >= page_min) {
memory_region_reset_dirty(&s->vram_mem,
page_min, page_max - page_min + TARGET_PAGE_SIZE,
DIRTY_MEMORY_VGA);
}
/* vsync interrupt? */
if (s->regs[0] & CG3_CR_ENABLE_INTS) {
s->regs[1] |= CG3_SR_PENDING_INT;
qemu_irq_raise(s->irq);
}
}
/* Fixed line length 1024 allows us to do nice tricks not possible on
VGA... */
static void tcx_update_display(void *opaque)
{
TCXState *ts = opaque;
DisplaySurface *surface = qemu_console_surface(ts->con);
ram_addr_t page, page_min, page_max;
int y, y_start, dd, ds;
uint8_t *d, *s;
void (*f)(TCXState *s1, uint8_t *dst, const uint8_t *src, int width);
if (surface_bits_per_pixel(surface) == 0) {
return;
}
page = 0;
y_start = -1;
page_min = -1;
page_max = 0;
d = surface_data(surface);
s = ts->vram;
dd = surface_stride(surface);
ds = 1024;
switch (surface_bits_per_pixel(surface)) {
case 32:
f = tcx_draw_line32;
break;
case 15:
case 16:
f = tcx_draw_line16;
break;
default:
case 8:
f = tcx_draw_line8;
break;
case 0:
return;
}
for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE) {
if (memory_region_get_dirty(&ts->vram_mem, page, TARGET_PAGE_SIZE,
DIRTY_MEMORY_VGA)) {
if (y_start < 0)
y_start = y;
if (page < page_min)
page_min = page;
if (page > page_max)
page_max = page;
f(ts, d, s, ts->width);
d += dd;
s += ds;
f(ts, d, s, ts->width);
d += dd;
s += ds;
f(ts, d, s, ts->width);
d += dd;
s += ds;
f(ts, d, s, ts->width);
d += dd;
s += ds;
} else {
if (y_start >= 0) {
/* flush to display */
dpy_gfx_update(ts->con, 0, y_start,
ts->width, y - y_start);
y_start = -1;
}
d += dd * 4;
s += ds * 4;
}
}
if (y_start >= 0) {
/* flush to display */
dpy_gfx_update(ts->con, 0, y_start,
ts->width, y - y_start);
}
/* reset modified pages */
if (page_max >= page_min) {
memory_region_reset_dirty(&ts->vram_mem,
page_min,
(page_max - page_min) + TARGET_PAGE_SIZE,
DIRTY_MEMORY_VGA);
}
}
static void tcx24_update_display(void *opaque)
{
TCXState *ts = opaque;
DisplaySurface *surface = qemu_console_surface(ts->con);
ram_addr_t page, page_min, page_max, cpage, page24;
int y, y_start, dd, ds;
uint8_t *d, *s;
uint32_t *cptr, *s24;
if (surface_bits_per_pixel(surface) != 32) {
return;
}
page = 0;
page24 = ts->vram24_offset;
cpage = ts->cplane_offset;
y_start = -1;
page_min = -1;
page_max = 0;
d = surface_data(surface);
s = ts->vram;
s24 = ts->vram24;
cptr = ts->cplane;
dd = surface_stride(surface);
ds = 1024;
for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE,
page24 += TARGET_PAGE_SIZE, cpage += TARGET_PAGE_SIZE) {
if (check_dirty(ts, page, page24, cpage)) {
if (y_start < 0)
y_start = y;
if (page < page_min)
page_min = page;
if (page > page_max)
page_max = page;
tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
d += dd;
s += ds;
cptr += ds;
s24 += ds;
tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
d += dd;
s += ds;
cptr += ds;
s24 += ds;
tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
d += dd;
s += ds;
cptr += ds;
s24 += ds;
tcx24_draw_line32(ts, d, s, ts->width, cptr, s24);
d += dd;
s += ds;
cptr += ds;
s24 += ds;
} else {
if (y_start >= 0) {
/* flush to display */
dpy_gfx_update(ts->con, 0, y_start,
ts->width, y - y_start);
y_start = -1;
}
d += dd * 4;
s += ds * 4;
cptr += ds * 4;
s24 += ds * 4;
}
}
if (y_start >= 0) {
/* flush to display */
dpy_gfx_update(ts->con, 0, y_start,
ts->width, y - y_start);
}
/* reset modified pages */
if (page_max >= page_min) {
reset_dirty(ts, page_min, page_max, page24, cpage);
}
}
static void goldfish_fb_update_display(void *opaque)
{
struct goldfish_fb_state *s = (struct goldfish_fb_state *)opaque;
DisplaySurface *ds = qemu_console_surface(s->con);
int full_update = 0;
if (!s || !s->con || surface_bits_per_pixel(ds) == 0 || !s->fb_base)
return;
if((s->int_enable & FB_INT_VSYNC) && !(s->int_status & FB_INT_VSYNC)) {
s->int_status |= FB_INT_VSYNC;
qemu_irq_raise(s->irq);
}
if(s->need_update) {
full_update = 1;
if(s->need_int) {
s->int_status |= FB_INT_BASE_UPDATE_DONE;
if(s->int_enable & FB_INT_BASE_UPDATE_DONE)
qemu_irq_raise(s->irq);
}
s->need_int = 0;
s->need_update = 0;
}
int dest_width = surface_width(ds);
int dest_height = surface_height(ds);
int dest_pitch = surface_stride(ds);
int ymin, ymax;
#if STATS
if (full_update)
stats_full_updates += 1;
if (++stats_counter == 120) {
stats_total += stats_counter;
stats_total_full_updates += stats_full_updates;
trace_goldfish_fb_update_stats(stats_full_updates*100.0/stats_counter,
stats_total_full_updates*100.0/stats_total );
stats_counter = 0;
stats_full_updates = 0;
}
#endif /* STATS */
if (s->blank)
{
void *dst_line = surface_data(ds);
memset( dst_line, 0, dest_height*dest_pitch );
ymin = 0;
ymax = dest_height-1;
}
else
{
SysBusDevice *dev = SYS_BUS_DEVICE(opaque);
MemoryRegion *address_space = sysbus_address_space(dev);
int src_width, src_height;
int dest_row_pitch, dest_col_pitch;
drawfn fn;
/* The source framebuffer is always read in a linear fashion,
* we achieve rotation by altering the destination
* step-per-pixel.
*/
switch (s->rotation) {
case 0: /* Normal, native landscape view */
src_width = dest_width;
src_height = dest_height;
dest_row_pitch = surface_stride(ds);
dest_col_pitch = surface_bytes_per_pixel(ds);
break;
case 1: /* 90 degree, portrait view */
src_width = dest_height;
src_height = dest_width;
dest_row_pitch = -surface_bytes_per_pixel(ds);
dest_col_pitch = surface_stride(ds);
break;
case 2: /* 180 degree, inverted landscape view */
src_width = dest_width;
src_height = dest_height;
dest_row_pitch = -surface_stride(ds);
dest_col_pitch = -surface_bytes_per_pixel(ds);
break;
case 3: /* 270 degree, mirror portrait view */
src_width = dest_height;
src_height = dest_width;
dest_row_pitch = surface_bytes_per_pixel(ds);
dest_col_pitch = -surface_stride(ds);
break;
default:
g_assert_not_reached();
}
int source_bytes_per_pixel = 2;
switch (s->format) { /* source format */
case HAL_PIXEL_FORMAT_RGB_565:
source_bytes_per_pixel = 2;
switch (surface_bits_per_pixel(ds)) { /* dest format */
case 8: fn = draw_line_16_8; break;
case 15: fn = draw_line_16_15; break;
case 16: fn = draw_line_16_16; break;
case 24: fn = draw_line_16_24; break;
case 32: fn = draw_line_16_32; break;
default:
hw_error("goldfish_fb: bad dest color depth\n");
return;
}
break;
case HAL_PIXEL_FORMAT_RGBX_8888:
source_bytes_per_pixel = 4;
switch (surface_bits_per_pixel(ds)) { /* dest format */
case 8: fn = draw_line_32_8; break;
case 15: fn = draw_line_32_15; break;
case 16: fn = draw_line_32_16; break;
case 24: fn = draw_line_32_24; break;
case 32: fn = draw_line_32_32; break;
default:
hw_error("goldfish_fb: bad dest color depth\n");
return;
}
break;
default:
hw_error("goldfish_fb: bad source color format\n");
return;
}
ymin = 0;
framebuffer_update_display(ds, address_space, s->fb_base,
src_width, src_height,
src_width * source_bytes_per_pixel,
dest_row_pitch, dest_col_pitch,
full_update,
fn, ds, &ymin, &ymax);
}
ymax += 1;
if (ymin >= 0) {
if (s->rotation % 2) {
/* In portrait mode we are drawing "sideways" so always
* need to update the whole screen */
trace_goldfish_fb_update_display(0, dest_height, 0, dest_width);
dpy_gfx_update(s->con, 0, 0, dest_width, dest_height);
} else {
trace_goldfish_fb_update_display(ymin, ymax-ymin, 0, dest_width);
dpy_gfx_update(s->con, 0, ymin, dest_width, ymax-ymin);
}
}
}
void framebuffer_update_display(
DisplaySurface *ds,
MemoryRegion *address_space,
hwaddr base,
int cols, /* Width in pixels. */
int rows, /* Height in pixels. */
int src_width, /* Length of source line, in bytes. */
int dest_row_pitch, /* Bytes between adjacent horizontal output pixels. */
int dest_col_pitch, /* Bytes between adjacent vertical output pixels. */
int invalidate, /* nonzero to redraw the whole image. */
drawfn fn,
void *opaque,
int *first_row, /* Input and output. */
int *last_row /* Output only */)
{
hwaddr src_len;
uint8_t *dest;
uint8_t *src;
uint8_t *src_base;
int first, last = 0;
int dirty;
int i;
ram_addr_t addr;
MemoryRegionSection mem_section;
MemoryRegion *mem;
i = *first_row;
*first_row = -1;
src_len = src_width * rows;
mem_section = memory_region_find(address_space, base, src_len);
mem = mem_section.mr;
if (int128_get64(mem_section.size) != src_len ||
!memory_region_is_ram(mem_section.mr)) {
goto out;
}
assert(mem);
assert(mem_section.offset_within_address_space == base);
memory_region_sync_dirty_bitmap(mem);
if (!memory_region_is_logging(mem, DIRTY_MEMORY_VGA)) {
invalidate = true;
}
src_base = cpu_physical_memory_map(base, &src_len, 0);
/* If we can't map the framebuffer then bail. We could try harder,
but it's not really worth it as dirty flag tracking will probably
already have failed above. */
if (!src_base)
goto out;
if (src_len != src_width * rows) {
cpu_physical_memory_unmap(src_base, src_len, 0, 0);
goto out;
}
src = src_base;
dest = surface_data(ds);
if (dest_col_pitch < 0)
dest -= dest_col_pitch * (cols - 1);
if (dest_row_pitch < 0) {
dest -= dest_row_pitch * (rows - 1);
}
first = -1;
addr = mem_section.offset_within_region;
addr += i * src_width;
src += i * src_width;
dest += i * dest_row_pitch;
for (; i < rows; i++) {
dirty = memory_region_get_dirty(mem, addr, src_width,
DIRTY_MEMORY_VGA);
if (dirty || invalidate) {
fn(opaque, dest, src, cols, dest_col_pitch);
if (first == -1)
first = i;
last = i;
}
addr += src_width;
src += src_width;
dest += dest_row_pitch;
}
cpu_physical_memory_unmap(src_base, src_len, 0, 0);
if (first < 0) {
goto out;
}
memory_region_reset_dirty(mem, mem_section.offset_within_region, src_len,
DIRTY_MEMORY_VGA);
*first_row = first;
*last_row = last;
out:
memory_region_unref(mem);
}
static void cg3_update_display(void *opaque)
{
CG3State *s = opaque;
DisplaySurface *surface = qemu_console_surface(s->con);
const uint8_t *pix;
uint32_t *data;
uint32_t dval;
int x, y, y_start;
unsigned int width, height;
ram_addr_t page;
DirtyBitmapSnapshot *snap = NULL;
if (surface_bits_per_pixel(surface) != 32) {
return;
}
width = s->width;
height = s->height;
y_start = -1;
pix = memory_region_get_ram_ptr(&s->vram_mem);
data = (uint32_t *)surface_data(surface);
if (!s->full_update) {
memory_region_sync_dirty_bitmap(&s->vram_mem);
snap = memory_region_snapshot_and_clear_dirty(&s->vram_mem, 0x0,
memory_region_size(&s->vram_mem),
DIRTY_MEMORY_VGA);
}
for (y = 0; y < height; y++) {
int update;
page = (ram_addr_t)y * width;
if (s->full_update) {
update = 1;
} else {
update = memory_region_snapshot_get_dirty(&s->vram_mem, snap, page,
width);
}
if (update) {
if (y_start < 0) {
y_start = y;
}
for (x = 0; x < width; x++) {
dval = *pix++;
dval = (s->r[dval] << 16) | (s->g[dval] << 8) | s->b[dval];
*data++ = dval;
}
} else {
if (y_start >= 0) {
dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
y_start = -1;
}
pix += width;
data += width;
}
}
s->full_update = 0;
if (y_start >= 0) {
dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
}
/* vsync interrupt? */
if (s->regs[0] & CG3_CR_ENABLE_INTS) {
s->regs[1] |= CG3_SR_PENDING_INT;
qemu_irq_raise(s->irq);
}
g_free(snap);
}
static void sm_lcd_update_display(void *arg)
{
lcd_state *s = arg;
uint8_t *d;
uint32_t colour_on, colour_off, colour;
int x, y, bpp;
DisplaySurface *surface = qemu_console_surface(s->con);
bpp = surface_bits_per_pixel(surface);
d = surface_data(surface);
// If vibrate is on, simply jiggle the display
if (s->vibrate_on) {
if (s->vibrate_offset == 0) {
s->vibrate_offset = 2;
}
int bytes_per_pixel;
switch (bpp) {
case 8:
bytes_per_pixel = 1;
break;
case 15:
case 16:
bytes_per_pixel = 2;
break;
case 32:
bytes_per_pixel = 4;
break;
default:
abort();
}
int total_bytes = NUM_ROWS * NUM_COLS * bytes_per_pixel
- abs(s->vibrate_offset) * bytes_per_pixel;
if (s->vibrate_offset > 0) {
memmove(d, d + s->vibrate_offset * bytes_per_pixel, total_bytes);
} else {
memmove(d - s->vibrate_offset * bytes_per_pixel, d, total_bytes);
}
s->vibrate_offset *= -1;
dpy_gfx_update(s->con, 0, 0, NUM_COLS, NUM_ROWS);
return;
}
if (!s->redraw) {
return;
}
// Adjust the white level to compensate for the set brightness.
// brightness = 0: 255 in maps to 170 out
// brightness = 1.0: 255 in maps to 255 out
float brightness = s->backlight_enabled ? s->brightness : 0.0;
int max_val = 170 + (255 - 170) * brightness;
/* set colours according to bpp */
switch (bpp) {
case 8:
colour_on = rgb_to_pixel8(max_val, max_val, max_val);
colour_off = rgb_to_pixel8(0x00, 0x00, 0x00);
break;
case 15:
colour_on = rgb_to_pixel15(max_val, max_val, max_val);
colour_off = rgb_to_pixel15(0x00, 0x00, 0x00);
break;
case 16:
colour_on = rgb_to_pixel16(max_val, max_val, max_val);
colour_off = rgb_to_pixel16(0x00, 0x00, 0x00);
case 24:
colour_on = rgb_to_pixel24(max_val, max_val, max_val);
colour_off = rgb_to_pixel24(0x00, 0x00, 0x00);
break;
case 32:
colour_on = rgb_to_pixel32(max_val, max_val, max_val);
colour_off = rgb_to_pixel32(0x00, 0x00, 0x00);
break;
default:
return;
}
for (y = 0; y < NUM_ROWS; y++) {
for (x = 0; x < NUM_COLS; x++) {
/* Rotate display - installed 'upside-down' in pebble. */
int xr = NUM_COLS - 1 - x;
int yr = NUM_ROWS - 1 - y;
bool on = s->framebuffer[yr * NUM_COL_BYTES + xr / 8] & 1 << (xr % 8);
colour = on ? colour_on : colour_off;
switch(bpp) {
case 8:
*((uint8_t *)d) = colour;
d++;
break;
case 15:
case 16:
*((uint16_t *)d) = colour;
d += 2;
break;
case 24:
abort();
case 32:
*((uint32_t *)d) = colour;
d += 4;
break;
}
}
}
dpy_gfx_update(s->con, 0, 0, NUM_COLS, NUM_ROWS);
s->redraw = false;
}
